write a program to read a four digit integer and print the sum of its digits.

题目

write a program to read a four digit integer and print the sum of its digits.
Hint :Use / and % operators.

答案

#include<stdio.h>int main(){x05int a,b,c,d,num;x05printf("please input a num between 1000~9999! ");x05scanf("%d",&num);x05a=num/1000...